When you inadvertently and/or hilariously offer oral (or bestiality, or the like) to your best friend via text, because, thanks to the crowdsourcing of language on UD, everything is a sexual euphemism now.
Me: Hey girl! :) Do you want to come over for Sunday brunch?

Julie: Whaa? You DO know what that means, don't you? You'd better check Urban Dictionary before you invite anyone to brunch again. LMFAO.

Julie: But yes, I'm free for brunch.
by Tuesday Supper January 15, 2016
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When it's Sunday which is primarily the day the christian boys go to church so therefore Sunday funday is a day in which there are no gay, premarital sex, swear words, or lust. Examples for sentences
guy 1:Hey bro I just fucked my girlfriend
guy 2: hey you can't do that

guy 1: why not
guy 2: because it's Sunday funday
by breathtaker_clayman August 18, 2019
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every sunday you drink until you blackout. pretty much self explanitory.
Man, my boyfriend broke up with me and my dog died..im sure glad its blackout sunday.
by Clydsdale July 5, 2006
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The best band on long island.

Maybe even the world in like 2 years

Im not kidding.

http://www.myspace.com/sundaybestofficial
Steve Tedesco you like sunday best right?
by ST9 April 13, 2009
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when an old man talks about getting laid, only to find out he made love to the sunday lamb cutlets.
oh fuck it, grandads made the sunday roast again this week. only give me two lamb cutlets.
by jake16 May 26, 2007
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The queasy stomach feeling one on has the Sunday after a weekend of punishing ones insides with an assortment of alcoholic beverages. Symptoms include: extreme hunger, sick feeling after food reacts with remaining alcohol, desire to vomit out innards. The feeling is magnified when different types of cheap liquor are combined. Often accompanied by a massive headache.
Bro 1: Dude, what did you drink last night.
Bro 2: Some natty lights, shots of vodka and tequila, and a couple four lokos.
Bro 1: You must have a bad case of sunday stomach.
Bro 2: Yea man, and that burrito isn't helping anything.
by partyrocker15 July 28, 2011
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